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CVE-2026-39863

Kamailio Core: TCP Data Processing Vulnerability PUBLISHED

Description (CNA)

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted data packet sent over TCP. The issue impacts Kamailio instances having TCP or TLS listeners. This vulnerability is fixed in 5.1.1, 6.0.6, and 5.8.8.

Affected (CNA)

Vendor / productVersions
kamailio / kamailioaffected < 5.8.8; affected >= 6.0.0, < 6.0.6; affected >= 6.1.0, < 6.1.1

CWE

CWE-119

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.